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Finding the Fourth Proportional to 371,262.20, 512,342.09 and 201,496.32

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Solution

The fourth proportional to 371,262.20, 512,342.09 and 201,496.32 is: 278,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,262.20 : 512,342.09 = 201,496.32 : x
  2. Step 2: Convert to fraction form
    371,262.20/512,342.09 = 201,496.32/x
  3. Step 3: Cross multiply
    371,262.20x = 512,342.09 × 201,496.32
  4. Step 4: Simplify right side
    371,262.20x = 103,235,044,708.63
  5. Step 5: Solve for x
    x = 103,235,044,708.63/371,262.20
  6. Step 6: Final answer
    x = 278,065.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.